PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/29-21:27:50
G08     263.7          17.6               12.0 +/-    1.02      28.1 +/-    1.02  0.040 / 0.050
G10     64.9           57.2                9.8 +/-    0.80      11.4 +/-    0.80  0.040 / 0.050
G11     309.6          19.1                9.7 +/-    1.10      21.8 +/-    1.10  0.090 / 0.180
G14     270.9          67.3               11.9 +/-    0.88      12.8 +/-    0.88  0.090 / 0.230
G18     310.7          35.0                9.1 +/-    1.75      14.4 +/-    1.75  0.140 / 0.330
G20     97.1           35.4               11.0 +/-    0.70      17.3 +/-    0.70  0.170 / 0.310
G21     154.7          12.6               12.4 +/-    3.72      32.7 +/-    3.72  0.170 / 0.290
G27     232.1          15.2               12.2 +/-    2.72      30.3 +/-    2.72  0.180 / 0.340
G31     178.8          31.2               14.7 +/-    1.62      25.1 +/-    1.62  0.130 / 0.220
G32     345.9          73.2               10.0 +/-    0.49      10.4 +/-    0.49  0.180 / 0.260